| Company | Timeline | Status | |
Foster LS Limited Secretary • Unreported | 6 Jul 2006←4 Years→7 Dec 2010 | Dissolved | |
Foster LS Limited Director • Architect | 22 Mar 2005←5 Years→7 Dec 2010 | Dissolved | |
| Art Commissioners Limited Secretary • Unreported | 20 Jan 2005←4 Years→18 Jan 2010 | Active | |
Elena Foster Publications Limited Secretary • Unreported | 5 Feb 2004←5 Years→18 Jan 2010 | Dissolved | |
| Ivory Press Limited Secretary • Architect | 5 Feb 2002←7 Years→18 Jan 2010 | Dissolved | |
Ebony Press Limited Secretary • Architect | 21 Jan 2002←7 Years→18 Jan 2010 | Dissolved | |
